Mattis Handshake Defense Secretary James N. Mattis shakes hands with Italian Defense Minister Elisabetta Trenta at the NATO building in Brussels, June 7, 2018. DoD Photo by Tech Sgt. Vernon Young Jr. SHARE: Download: Full Size (2.66 MB) Credit: Tech Sgt. Vernon Young Jr. VIRIN: 180607-D-IO684-051C.JPG Photo Gallery